Mastercool 53123-YF Refillable Universal Dye Injector for R1234yf

Heavy duty aluminum 2 Oz. refillable dye/oil injection system. To inject dye or oil, simply connect the injector to the low side of the A/C system and twist the handle until you reach the desired amount. The injector hose comes complete with a R1234YF coupler. Injector easily allows the user to inject any dye or oil into any R1234YF system.

• Heavy Duty Aluminum Construction
• Injects Dye or Oil into R1234yf Systems
• Refillable, Any Dye or Oil Can Be Used
• Easy Twist Injection System
• Precise Injection Control